Machine for planing and finishing thin pieces of wood



(No Model.) 3 SheetsSheet 1.

A. M. FORD & J. M. MOORE.

MACHINE FOR PLANING AND'FINISHING THIN PIECES OF WOOD 180.322.8150. Patented July 21, 1885.

3 Sheets-Sheet 2.

(No Model.)

A. M. FORD & J. M. MOORE.

MACHINE FOR PLANING AND FINISHING THIN PIEUES OF WOOD.

No. 322,816. Patented July 21, 1885.

N. PETERS. Fholomhngnpher. Washmgkm. u, c,

(No Model.) 3 Sheets-Sheet 3.

A. 'M. FORD & J. M. MOORE.

MACHINE FOR PLANING AND FINISHING THIN PIEGBS 0F WOOD- No. 322,816. Patented July 21, 1885'.

Illlllll M/Ifvasses: //1'|/a/1/'ans:

her i a j NITED STATES PATEN met.

ADDISON M. FORD AND-JAMES M. MOORE, OF JERIOHO, VERMONT.

MACHINE FOR PLANING AND FINISHING THIN PIECES OF WOOD.

FJPEGIFICATION forming part of Letters Patent No. 322,816, dated July 21, 1885.

(N0 model.)'

To all whom, it may concern.-

Be it known that we, ADDIsoN M. FORD and JAuEs M. MooRE, citizens of the United States, residing .at Jericho, in the county of Ohittenden and State of Vermont, have invented certain new and useful Improvements in Planing-Machines for Planing and Finishing Thin Pieces of WVood, of which the fol lowing is a specification, reference being had therein to the accompanying drawings.

Our invention relates to improvements in planing -machines for planing and finishing thin pieces of wood; and the objects of our improvements are, first, to so construct and arrange the plane-stock of the surface-cutter that a longer and more reliable adjustable bearing for the strip is obtained as it is brought into contact with the plane-iron, thereby effectually avoiding the liability of forming uneven surfaces upon the strip 5 second, to provide two or more adjustable edgeplanes, which shall operate upon each side of the strip while it is so centered and guided in parallel grooves in each side plane-stock that the edges formed upon the strip are perfectly roundedand finished; and, third, to combine the several devices and parts of the machine in the manner hereinafter specified, and more particularly pointed out inthe claims.

In the drawings, in which similar letters indicate like parts, Figure l is a perspectixe view of my invention. Fig. 2 is a longitudi-- nal vertical section of the same. Fig. 3 is a plan view of the device for finishing the edges of the strips. Fig. 4t is a cross-section of the same. Fig. 5 is a top view of the surfaceplaner. Fig. 6 is a cross-sectional view on the line 00 y, Fig. 2.

A A represent the plate which sustains the machine, and rests upon legs a a, or other suitable supports. B B B B B B are uprights firmly secured in pairs on each side of the plate A, respectively, one pair being located at each end, and one pair midway between them, as shown in Fig. 1, and in which the several shafts O O, D D, and E E are journaled in suitable adjustable bearings.

F, G, H, I, and J are driving-pulleys, made fast to the extremities of their respective shafts E, D, and O. The pulleys G and H on the corresponding extremities of the shafts E and D are connected by belting, as are also the pulleys I and J on the opposite end of the shaft D and the corresponding end of the i shaft 0, so that when power is applied to the pulley F the several shafts E, D, and O are rotated. As the several pulleys have the same diameter, they revolve with the same speed. I

Over the center of the bed-plate A, and on a line between the uprights, are the upper feed-rollers, K M, and the delivery-roller O, and their corresponding lower feed-rollers, L N, and deliveryroller P, which are made fast to their respective shafts, E, D, O, and E, D, and 0. Their purpose is to receive and carry the stock, which is run between their elastic faces, through the machine, and deliver the same after it has been smoothly planed and finished by the intervening plane-irons, as is customary with machines of this character.

Between the two sets of feed-rollers K L and M N is located the device for planing and smoothing the surface of the strips to the thick- 7 ness desired. This device consists of a substantial bottom plate, I), rigidly attached to the plate A, and having vertical ends a d, which sustain the bed-plate of the planer. I

f isametallic spring, one extremity of whichq), passes through a slot or recess in the center 0 the end piece, 0, to the sides of which it is pivoted. It extends nearly to the vertical end, d, its free extremity being flattened and suitably concaved for the purpose of giving a 8 yielding support to the plate 9. One extremity of this plate passes through a slot or recess in the upper part of the end (I, to the sides of which it is pivoted, while the other extremity extends forward toward the end a, to constitute a yielding support and bearing for the rounded projections h h on the lower side and near the front end of the balancing-platen 2', which lies directly below the plane-sole, and over-which the strip is carried while its surface is being dressed by the plane-iron. The pressure of the balancing-platen i against the under surface of the strip is regulated by means of the temper or adjusting screw j, by the turning of which the spring f is elevated n or depressed.

Q is the plane-stock, which is provided the usual plane-iron, k.

Z is a plate, which rests upon and is secured' to the bed-plate e. A slot, 2, of sufficient width I( and depth to allow for the passage through it with of the strip to be planed, extends longitudinally through the center of the lower face of the plate Z. 'WVithin this plate is an opening or recess of sufficient size to receive the planestock Q. The sides of this opening or recess are rabbeted as far as the top of the slot 2 to form a substantial rest for the side edges of the plane-sole. The extremities of the opening or recess in the plateZ and of the planesole are so beveled that the forward endof the plane-stock must first be raised to disengage it from the plate Z.

The plane-stock is held rigidly in place by the clamping-iron n, whose side bars are pivoted to the sides of the plate 1, so that it can betipped forward when the plane-stock is inserted or removed into or from the opening designed to receive it. By turning down the set-screw m, which passes through the top bar of the clamp upon the end of the plane-stock beneath it, the stock is firmly held in place.

By this construction the strip which enters the machine between the feed-rollers K L is at once carried into the-slot z, and during its passage through it it is steadily pressed into close contact with the plane-iron by the pressure against its lower face of the rounded end of the balancing-plate 71, thereby eontin ually tending to elevate the other end of the plate 2', which effectually prevents-the strip from springing or in any way receding from the edge of the plane-iron either before, during, or after the work of planingis performed. The action of the balancing-block '5, resting upon the end of the pivoted plate g, which in turn is sustained by the force of the spring f, has the effect to continue the pressure against the under surface of the strip after the cut is made, so that a more smooth and even surface is obtained than is possible with a shorter and less adjustable bearing. After the stock has been planed it is passed between the feedrollers M N, and by them carriedthrough the device for rounding and finishing the edges. This edging device consists of a bed-plate, p, which is firmly attached to the bottom plate, A, of the machine by means of. the supports q q, and in a line with the feed-rollers and the planer.

Extending longitudinally over the central portion of the top of the .platepis the spring a, the rigid end of which is secured within a recess in the forward end of the plate, its free end being made to project forward over the top of the plate 19 for. the purpose ofcom pelling the strip, which passes over it, to slide within grooves in the parallel faces of the side plane-stocks, U, and againstthe top of the longitudinal slot 8 in the under face of the. top plate T, which restsuponand is secured to the bed-plate 1'9. t

On either side of the upper surface of the top plate, T, are recesses t, which extendnearly the full length of the plate, and are ofa depth equal to the thickness of the stock to be edged.

.These recesses are designed to hold two or more parallel adjustable sliding plane-stocks,

U, which are made to slide laterally between their guides or ends of the recesses a to, their movement being controlled by the set-screws V V, which work through the stationary blocks w 10, attached to the outer edges of the bottom of the recesses't t. The interior sides of these recesses adjoining the slot 8 are open to allow the grooved plane-soles of the planestocksU U to project into the slot sufficiently far to guide the edges of the strip as they come into contact with the plane-irons x a; in their passage through the slot 8.

By this simple but most effective construction the edges of the strips are perfectly rounded and finished by the irons w x, as they are centered and their longitudinal movement controlled by the parallel grooves in the side plane-stocks, U, a result impossible always to obtain by any other method.

The strip having thus been planed,smoothed, and its edges perfectly finished, passes out of the slot 8, and, immediately entering between the friction-rollers O and P, is drawn-out of the machine at the point of delivery.

Having thus described our invent-ion, we

claim- 1. The combination .of the springf, rigidly secured to the frame at one end, a set-screw which bears against the spring at its upper end for the purpose of regulating its tension, the plate 9 which is fastened to the frame at one end, and which is forced upward at its inner end by thespring, and the platen which is supported by the plate, substantially as shown.

2. The combination of the springfiwhieh is secured to the frame at one end, a setscrew which is connected to the spring for the purpose of regulating its tension the plate 9, which issupported at one end by the frame and at its other end by the spring, the platen i, which rests upon the plate g, the grooved plate Z, placed upon the top of the frame, and the planes which are attached to the plate Z, substantially as described.

iron attached to opposite sides of-the plate Z, and the set-screw which is passedv down through the clamping-iron and madeto fasten the plane in position, substantially as set forth.

4. The combination of the plate 1), the spring r, placed upon the top of the plate, the. plate or frame T, having recesses in opposite .sides to receive the-planes U, and the set-screws V for adjusting the planes laterally,substantially as specified.

In testimony whereof we do affix our signatures in presence of two witnesses.

ADDISON M. FORD.

, J AMES M. MOORE. \lfitnesses:

CHARLES E. ALLEN, H. F. WoLoo'rT. 

